Advocates Claim That Multi-Tasking Is Efficient, More Productive, Less Boring

Advocates claim that multi-tasking is efficient, more productive, less boring, and allows for more creativity. Which of the following are criticisms of multi-tasking?

A) Multi-tasking creates digital distraction that is inefficient and unproductive, while creating the sense of getting something done.
B) Interruptions that are part of multi-tasking are easily mis-judged as creative activity.
C) Interruptions in multi-tasking can interrupt the creative mental wandering that characterizes boredom and which creativity often depends upon.
D) All of the above
E) None of the above